1 조 자료준비 : 11 학번 최거엽 표상호 퀴즈 : 11 학번 김학조 ppt 제작 : 11 학번 심영훈 발표 및 총정리 : 11 학번 김유성 STAPHYLOCOC CUS

CONTENTS Definition Classification Characteristic S. aureus Disease/Treatment Other staphylococcus Q ＆ A Quiz

DEFINITION Staphyle + coccus staphylococcus

CLASSIFICATION - 1

CLASSIFICATION - 2

CHARACTERISTIC Skin, mucous membranes Spherical cells, encapsulated No spores, flagella, opaque Nosocomial infection

S. aureus

Have a tolerance to almost antibiotics Induce high fever, chill, blood pressure lowering MRSA ( METHICILLIN RESISTANT STAPHYLOCOCCUS AUREUS)

DISEASE

SCALDED SKIN SYNDROME

DISEASE carbuncle impetigo folliculitis furuncle S. aureus

tympanitis cystitis DISEASE S. aureus

Q＆AQ＆A

REFERENCE 일반미생물학 김신무, 김승곤 등 고려의학 2007 년 신 종합 미생물학 3 판 미생물면역분과위원회 신일북스 2008 년 미생물학 8 판 Willey Sherwood Woolverton 라이프사이언스 2010 년 병원미생물학 3 판 권필승, 김준 등 고려의학 2011 년 최신 임상미생물학 문제집 임상미생물학 교수회 고려의학 2002 년

Quiz

1. Which are not characteristics of Staphylococcus aureus ? ① Withstand high salt(7.5% - 10%) ② Obligatory anaerobe ③ Ferment a variety of sugar ④ Digest proteins and lipids ⑤ Can't live in air drying condition

답 1- ②, ⑤

2. Which characteristic makes S. aureus are distinguished from other clinical important species of staphylococcus? ① Gram positive ② Ferments mannose ③ Urease production ④ Anaerobic growth ⑤ Coagulase positive

2- ⑤

3. Which enzyme or toxin digests connective tissue of the host? ① Coagulase ② Staphylokinase ③ Enterotoxin ④ Leukocidin ⑤ Hyaluronidase

3- ⑤

4. Which is not related with the toxin that cause food poisoning? ① It is exotoxin. ② It is enterotoxin ③ It is produced by pathogenic Staphylococci ④ It is destroyed in 100 ℃ for 30 minutes ⑤ It is occurred in 2 to 6 hours after eating food

4- ④

5. Why are S. aureus considered a troublesome hospital pathogen? ① Because its optimum growth temperature is 37 ② Because it is a facultative anaerobe ③ Because it grows in large, round colonies ④ Because it resists the effects of many disinfectants and antibiotics ⑤ Because it can digest proteins and lipids, and ferment s variety of sugar

5- ④

6. Which is not a precautions of staphylococcal infection? ① Hand washing ② Cleared of pus and foreign bodies ③ Isolation of people with open lesions ④ Adequate cleansing of surgical incisions and burns ⑤ Proper disposal of infectious dressings and discharges

6- ②

Thank you♥